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Diffstat (limited to 'drivers/staging/sep/sep_driver_config.h')
| -rw-r--r-- | drivers/staging/sep/sep_driver_config.h | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/drivers/staging/sep/sep_driver_config.h b/drivers/staging/sep/sep_driver_config.h new file mode 100644 index 0000000..686a353 --- /dev/null +++ b/drivers/staging/sep/sep_driver_config.h @@ -0,0 +1,428 @@ +/* + * + * sep_driver_config.h - Security Processor Driver configuration + * + * Copyright(c) 2009,2010 Intel Corporation. All rights reserved. + * Contributions(c) 2009,2010 Discretix. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * CONTACTS: + * + * Mark Allyn mark.a.allyn@intel.com + * Jayant Mangalampalli jayant.mangalampalli@intel.com + * + * CHANGES: + * + * 2010.06.26 Upgrade to Medfield + * + */ + +#ifndef __SEP_DRIVER_CONFIG_H__ +#define __SEP_DRIVER_CONFIG_H__ + + +/*-------------------------------------- + DRIVER CONFIGURATION FLAGS + -------------------------------------*/ + +/* if flag is on , then the driver is running in polling and + not interrupt mode */ +#define SEP_DRIVER_POLLING_MODE 0 + +/* flag which defines if the shared area address should be + reconfiged (send to SEP anew) during init of the driver */ +#define SEP_DRIVER_RECONFIG_MESSAGE_AREA 0 + +/* the mode for running on the ARM1172 Evaluation platform (flag is 1) */ +#define SEP_DRIVER_ARM_DEBUG_MODE 0 + +/*------------------------------------------- + INTERNAL DATA CONFIGURATION + -------------------------------------------*/ + +/* flag for the input array */ +#define SEP_DRIVER_IN_FLAG 0 + +/* flag for output array */ +#define SEP_DRIVER_OUT_FLAG 1 + +/* maximum number of entries in one LLI tables */ +#define SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP 31 + +/* minimum data size of the MLLI table */ +#define SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE 16 + +/* flag that signifies tah the lock is +currently held by the proccess (struct file) */ +#define SEP_DRIVER_OWN_LOCK_FLAG 1 + +/* flag that signifies tah the lock is currently NOT +held by the proccess (struct file) */ +#define SEP_DRIVER_DISOWN_LOCK_FLAG 0 + +/* indicates whether driver has mapped/unmapped shared area */ +#define SEP_REQUEST_DAEMON_MAPPED 1 +#define SEP_REQUEST_DAEMON_UNMAPPED 0 + +/*-------------------------------------------------------- + SHARED AREA memory total size is 36K + it is divided is following: + + SHARED_MESSAGE_AREA 8K } + } + STATIC_POOL_AREA 4K } MAPPED AREA ( 24 K) + } + DATA_POOL_AREA 12K } + + SYNCHRONIC_DMA_TABLES_AREA 5K + + placeholder until drver changes + FLOW_DMA_TABLES_AREA 4K + + SYSTEM_MEMORY_AREA 3k + + SYSTEM_MEMORY total size is 3k + it is divided as following: + + TIME_MEMORY_AREA 8B +-----------------------------------------------------------*/ + +#define SEP_DEV_NAME "sep_sec_driver" +#define SEP_DEV_SINGLETON "sep_sec_singleton_driver" +#define SEP_DEV_DAEMON "sep_req_daemon_driver" + + +/* + the maximum length of the message - the rest of the message shared + area will be dedicated to the dma lli tables +*/ +#define SEP_DRIVER_MAX_MESSAGE_SIZE_IN_BYTES (8 * 1024) + +/* the size of the message shared area in pages */ +#define SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES (8 * 1024) + +/* the size of the data pool static area in pages */ +#define SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES (4 * 1024) + +/* the size of the data pool shared area size in pages */ +#define SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES (16 * 1024) + +/* the size of the message shared area in pages */ +#define SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES (1024 * 5) + +/* Placeholder until driver changes */ +#define SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES (1024 * 4) + +/* system data (time, caller id etc') pool */ +#define SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES (1024 * 3) + +/* the size in bytes of the time memory */ +#define SEP_DRIVER_TIME_MEMORY_SIZE_IN_BYTES 8 + +/* the size in bytes of the RAR parameters memory */ +#define SEP_DRIVER_SYSTEM_RAR_MEMORY_SIZE_IN_BYTES 8 + +/* area size that is mapped - we map the MESSAGE AREA, STATIC POOL and + DATA POOL areas. area must be module 4k */ +#define SEP_DRIVER_MMMAP_AREA_SIZE (1024 * 28) + +/*----------------------------------------------- + offsets of the areas starting from the shared area start address +*/ + +/* message area offset */ +#define SEP_DRIVER_MESSAGE_AREA_OFFSET_IN_BYTES 0 + +/* static pool area offset */ +#define SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES \ + (SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES) + +/* data pool area offset */ +#define SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES \ + (SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES + \ + SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES) + +/* synhronic dma tables area offset */ +#define SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES \ + (SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES + \ + SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES) + +/* system memory offset in bytes */ +#define SEP_DRIVER_SYSTEM_DATA_MEMORY_OFFSET_IN_BYTES \ + (SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + \ + SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES) + +/* offset of the time area */ +#define SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES \ + (SEP_DRIVER_SYSTEM_DATA_MEMORY_OFFSET_IN_BYTES) + +/* offset of the RAR area */ +#define SEP_DRIVER_SYSTEM_RAR_MEMORY_OFFSET_IN_BYTES \ + (SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES + \ + SEP_DRIVER_TIME_MEMORY_SIZE_IN_BYTES) + +/* offset of the caller id area */ +#define SEP_CALLER_ID_OFFSET_BYTES \ + (SEP_DRIVER_SYSTEM_RAR_MEMORY_OFFSET_IN_BYTES + \ + SEP_DRIVER_SYSTEM_RAR_MEMORY_SIZE_IN_BYTES) + +/* offset of the DCB area */ +#define SEP_DRIVER_SYSTEM_DCB_MEMORY_OFFSET_IN_BYTES \ + (SEP_DRIVER_SYSTEM_DATA_MEMORY_OFFSET_IN_BYTES + \ + 0x400) + +/* offset of the ext cache area */ +#define SEP_DRIVER_SYSTEM_EXT_CACHE_ADDR_OFFSET_IN_BYTES \ + SEP_DRIVER_SYSTEM_RAR_MEMORY_OFFSET_IN_BYTES + +/* offset of the allocation data pointer area */ +#define SEP_DRIVER_DATA_POOL_ALLOCATION_OFFSET_IN_BYTES \ + (SEP_CALLER_ID_OFFSET_BYTES + \ + SEP_CALLER_ID_HASH_SIZE_IN_BYTES) + +/* the token that defines the start of time address */ +#define SEP_TIME_VAL_TOKEN 0x12345678 + +#define FAKE_RAR_SIZE (1024*1024) /* used only for mfld */ +/* DEBUG LEVEL MASKS */ + +/* size of the caller id hash (sha2) */ +#define SEP_CALLER_ID_HASH_SIZE_IN_BYTES 32 + +/* maximum number of entries in the caller id table */ +#define SEP_CALLER_ID_TABLE_NUM_ENTRIES 20 + +/* maximum number of symetric operation (that require DMA resource) + per one message */ +#define SEP_MAX_NUM_SYNC_DMA_OPS 16 + +/* the token that defines the start of time address */ +#define SEP_RAR_VAL_TOKEN 0xABABABAB + +/* ioctl error that should be returned when trying + to realloc the cache/resident second time */ +#define SEP_ALREADY_INITIALIZED_ERR 12 + +/* bit that locks access to the shared area */ +#define SEP_MMAP_LOCK_BIT 0 + +/* bit that lock access to the poll - after send_command */ +#define SEP_SEND_MSG_LOCK_BIT 1 + +/* the token that defines the static pool address address */ +#define SEP_STATIC_POOL_VAL_TOKEN 0xABBAABBA + +/* the token that defines the data pool pointers address */ +#define SEP_DATA_POOL_POINTERS_VAL_TOKEN 0xEDDEEDDE + +/* the token that defines the data pool pointers address */ +#define SEP_EXT_CACHE_ADDR_VAL_TOKEN 0xBABABABA + +/* rar handler */ +#ifndef CONFIG_MRST_RAR_HANDLER + +/* This stub header is for non Moorestown driver only */ + +/* + * Constants that specify different kinds of RAR regions that could be + * set up. + */ +static __u32 const RAR_TYPE_VIDEO; /* 0 */ +static __u32 const RAR_TYPE_AUDIO = 1; +static __u32 const RAR_TYPE_IMAGE = 2; +static __u32 const RAR_TYPE_DATA = 3; + +/* + * @struct RAR_stat + * + * @brief This structure is used for @c RAR_HANDLER_STAT ioctl and for + * @c RAR_get_stat() user space wrapper function. + */ +struct RAR_stat { + /* Type of RAR memory (e.g., audio vs. video) */ + __u32 type; + + /* + * Total size of RAR memory region. + */ + __u32 capacity; + + /* Size of the largest reservable block. */ + __u32 largest_block_size; +}; + + +/* + * @struct RAR_block_info + * + * @brief The argument for the @c RAR_HANDLER_RESERVE @c ioctl. + * + */ +struct RAR_block_info { + /* Type of RAR memory (e.g., audio vs. video) */ + __u32 type; + + /* Requested size of a block to be reserved in RAR. */ + __u32 size; + + /* Handle that can be used to refer to reserved block. */ + __u32 handle; +}; + +/* + * @struct RAR_buffer + * + * Structure that contains all information related to a given block of + * memory in RAR. It is generally only used when retrieving bus + * addresses. + * + * @note This structure is used only by RAR-enabled drivers, and is + * not intended to be exposed to the user space. + */ +struct RAR_buffer { + /* Structure containing base RAR buffer information */ + struct RAR_block_info info; + + /* Buffer bus address */ + __u32 bus_address; +}; + + +#define RAR_IOCTL_BASE 0xE0 + +/* Reserve RAR block. */ +#define RAR_HANDLER_RESERVE _IOWR(RAR_IOCTL_BASE, 0x00, struct RAR_block_info) + +/* Release previously reserved RAR block. */ +#define RAR_HANDLER_RELEASE _IOW(RAR_IOCTL_BASE, 0x01, __u32) + +/* Get RAR stats. */ +#define RAR_HANDLER_STAT _IOWR(RAR_IOCTL_BASE, 0x02, struct RAR_stat) + + +/* -------------------------------------------------------------- */ +/* Kernel Side RAR Handler Interface */ +/* -------------------------------------------------------------- */ + +/* + * @function rar_reserve + * + * @brief Reserve RAR buffers. + * + * This function will reserve buffers in the restricted access regions + * of given types. + * + * @return Number of successfully reserved buffers. + * Successful buffer reservations will have the corresponding + * @c bus_address field set to a non-zero value in the + * given @a buffers vector. + */ +#define rar_reserve(a, b) ((size_t)NULL) + +/* + * @function rar_release + * + * @brief Release RAR buffers retrieved through call to + * @c rar_reserve() or @c rar_handle_to_bus(). + * + * This function will release RAR buffers that were retrieved through + * a call to @c rar_reserve() or @c rar_handle_to_bus() by + * decrementing the reference count. The RAR buffer will be reclaimed + * when the reference count drops to zero. + * + * @return Number of successfully released buffers. + * Successful releases will have their handle field set to + * zero in the given @a buffers vector. + */ +#define rar_release(a, b) ((size_t)NULL) + +/* + * @function rar_handle_to_bus + * + * @brief Convert a vector of RAR handles to bus addresses. + * + * This function will retrieve the RAR buffer bus addresses, type and + * size corresponding to the RAR handles provided in the @a buffers + * vector. + * + * @return Number of successfully converted buffers. + * The bus address will be set to @c 0 for unrecognized + * handles. + * + * @note The reference count for each corresponding buffer in RAR will + * be incremented. Call @c rar_release() when done with the + * buffers. + */ +#define rar_handle_to_bus(a, b) ((size_t)NULL) + +#else /* using rear memrar */ + +#include "../memrar/memrar.h" + +#endif /* MEMRAR */ + +/* rar_register */ +#ifndef CONFIG_RAR_REGISTER +/* This stub header is for non Moorestown driver only */ + +/* The register_rar function is to used by other device drivers + * to ensure that this driver is ready. As we cannot be sure of + * the compile/execute order of dirvers in ther kernel, it is + * best to give this driver a callback function to call when + * it is ready to give out addresses. The callback function + * would have those steps that continue the initialization of + * a driver that do require a valid RAR address. One of those + * steps would be to call get_rar_address() + * This function return 0 on success an -1 on failure. + */ +#define register_rar(a, b, c) (-ENODEV) + +/* The get_rar_address function is used by other device drivers + * to obtain RAR address information on a RAR. It takes two + * parameter: + * + * int rar_index + * The rar_index is an index to the rar for which you wish to retrieve + * the address information. + * Values can be 0,1, or 2. + * + * struct RAR_address_struct is a pointer to a place to which the function + * can return the address structure for the RAR. + * + * The function returns a 0 upon success or a -1 if there is no RAR + * facility on this system. + */ +#define rar_get_address(a, b, c) (-ENODEV) + +/* The lock_rar function is ued by other device drivers to lock an RAR. + * once an RAR is locked, it stays locked until the next system reboot. + * The function takes one parameter: + * + * int rar_index + * The rar_index is an index to the rar that you want to lock. + * Values can be 0,1, or 2. + * + * The function returns a 0 upon success or a -1 if there is no RAR + * facility on this system. + */ +#define rar_lock(a) (-1) + +#else /* using real RAR_REGISTER */ + +#include "../rar_register/rar_register.h" + +#endif /* CONFIG_RAR_REGISTER */ + +#endif /* SEP DRIVER CONFIG */ |